MG ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 134.4920 -19.9700 206.9930 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > sxgTMfcwiXI5LENJugzTVg > 2024-05-24 23:42:25 > 0.9.11 > ligand > pdb-bcif > 4u53 > atom_site > {"label_asym_id":"QSB","auth_seq_id":3526} > 272 > 229 > 577 > 335 > 0 > 1 $$$$